វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Trapdoor
ENGLISH MEANING
noun
1.
A
door
in a
level
for
regulating
the
ventilating
current
; --
called
also
weather
door
.
2.
A
lifting
or
sliding
door
covering
an
opening
in a
roof
or
floor
.